This is one of my personal favourites so far! The artstyle is so cute, the concept and overall world is ultra wholesome and the controls are tight and precise too. At first I didn't notice the game was supposed to be endless, because it wasn't until e(lf)-mail number 50 that the phrases started to repeat.
It was so satisfactory and chill to play that I spent a little while more bouncing and delivering mails until 76. Also the pigeons were a nice touch. Pretty solid game, congratulations!